/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:33:15,131 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:33:15,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:33:15,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:33:15,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:33:15,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:33:15,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:33:15,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:33:15,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:33:15,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:33:15,186 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:33:15,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:33:15,187 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:33:15,188 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:33:15,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:33:15,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:33:15,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:33:15,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:33:15,191 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:33:15,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:33:15,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:33:15,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:33:15,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:33:15,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:33:15,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:33:15,197 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:33:15,197 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:33:15,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:33:15,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:33:15,198 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:33:15,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:33:15,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:33:15,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:33:15,200 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:33:15,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:33:15,201 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:33:15,201 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:33:15,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:33:15,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:33:15,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:33:15,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:33:15,204 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-01-10 06:33:15,222 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:33:15,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:33:15,223 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:33:15,223 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:33:15,223 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:33:15,223 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:33:15,224 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:33:15,224 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:33:15,224 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:33:15,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:33:15,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:33:15,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:33:15,225 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:33:15,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:33:15,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:33:15,225 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:33:15,225 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:33:15,225 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:33:15,225 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:33:15,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:33:15,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:33:15,226 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:33:15,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:33:15,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:33:15,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:33:15,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:33:15,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:33:15,226 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:33:15,226 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:33:15,227 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:33:15,227 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:33:15,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:33:15,232 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:33:15,233 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:33:15,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:33:15,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:33:15,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:33:15,409 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:33:15,413 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:33:15,414 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product53.cil.c [2022-01-10 06:33:15,460 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c42240351/81527d2c0ff340bfba884a56b85b54a0/FLAG17c9c5112 [2022-01-10 06:33:15,836 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:33:15,836 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product53.cil.c [2022-01-10 06:33:15,850 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c42240351/81527d2c0ff340bfba884a56b85b54a0/FLAG17c9c5112 [2022-01-10 06:33:16,246 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c42240351/81527d2c0ff340bfba884a56b85b54a0 [2022-01-10 06:33:16,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:33:16,249 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:33:16,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:33:16,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:33:16,252 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:33:16,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:33:16" (1/1) ... [2022-01-10 06:33:16,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57ff2819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:16, skipping insertion in model container [2022-01-10 06:33:16,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:33:16" (1/1) ... [2022-01-10 06:33:16,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:33:16,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:33:16,421 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product53.cil.c[1605,1618] [2022-01-10 06:33:16,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:33:16,532 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:33:16,535 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:33:16,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product53.cil.c[1605,1618] [2022-01-10 06:33:16,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:33:16,576 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:33:16,584 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product53.cil.c[1605,1618] [2022-01-10 06:33:16,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:33:16,625 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:33:16,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:16 WrapperNode [2022-01-10 06:33:16,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:33:16,626 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:33:16,626 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:33:16,626 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:33:16,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:16" (1/1) ... [2022-01-10 06:33:16,642 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:16" (1/1) ... [2022-01-10 06:33:16,658 INFO L137 Inliner]: procedures = 59, calls = 159, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 264 [2022-01-10 06:33:16,659 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:33:16,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:33:16,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:33:16,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:33:16,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:16" (1/1) ... [2022-01-10 06:33:16,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:16" (1/1) ... [2022-01-10 06:33:16,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:16" (1/1) ... [2022-01-10 06:33:16,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:16" (1/1) ... [2022-01-10 06:33:16,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:16" (1/1) ... [2022-01-10 06:33:16,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:16" (1/1) ... [2022-01-10 06:33:16,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:16" (1/1) ... [2022-01-10 06:33:16,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:33:16,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:33:16,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:33:16,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:33:16,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:16" (1/1) ... [2022-01-10 06:33:16,701 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:33:16,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:33:16,716 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-10 06:33:16,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-10 06:33:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:33:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-01-10 06:33:16,749 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-01-10 06:33:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-01-10 06:33:16,750 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-01-10 06:33:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:33:16,750 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:33:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:33:16,750 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:33:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-01-10 06:33:16,750 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-01-10 06:33:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:33:16,750 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:33:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-01-10 06:33:16,750 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-01-10 06:33:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:33:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-01-10 06:33:16,751 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-01-10 06:33:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:33:16,751 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:33:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:33:16,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:33:16,802 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:33:16,803 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:33:17,034 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:33:17,045 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:33:17,046 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:33:17,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:33:17 BoogieIcfgContainer [2022-01-10 06:33:17,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:33:17,048 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:33:17,048 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:33:17,050 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:33:17,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:33:16" (1/3) ... [2022-01-10 06:33:17,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30458153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:33:17, skipping insertion in model container [2022-01-10 06:33:17,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:16" (2/3) ... [2022-01-10 06:33:17,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30458153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:33:17, skipping insertion in model container [2022-01-10 06:33:17,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:33:17" (3/3) ... [2022-01-10 06:33:17,052 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product53.cil.c [2022-01-10 06:33:17,056 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:33:17,056 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:33:17,089 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:33:17,094 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 06:33:17,094 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:33:17,124 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 85 states have internal predecessors, (104), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2022-01-10 06:33:17,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-01-10 06:33:17,129 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:17,130 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:17,130 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:17,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:17,134 INFO L85 PathProgramCache]: Analyzing trace with hash 270425168, now seen corresponding path program 1 times [2022-01-10 06:33:17,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:17,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [232215183] [2022-01-10 06:33:17,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:17,148 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:17,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:17,150 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:17,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-01-10 06:33:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:17,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:33:17,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:17,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:17,334 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:17,335 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:17,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [232215183] [2022-01-10 06:33:17,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [232215183] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:17,335 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:17,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:33:17,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359613218] [2022-01-10 06:33:17,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:17,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:33:17,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:17,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:33:17,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:33:17,371 INFO L87 Difference]: Start difference. First operand has 102 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 85 states have internal predecessors, (104), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:17,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:17,412 INFO L93 Difference]: Finished difference Result 195 states and 266 transitions. [2022-01-10 06:33:17,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:33:17,413 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-01-10 06:33:17,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:17,423 INFO L225 Difference]: With dead ends: 195 [2022-01-10 06:33:17,423 INFO L226 Difference]: Without dead ends: 93 [2022-01-10 06:33:17,426 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:33:17,428 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:17,430 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:17,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-01-10 06:33:17,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2022-01-10 06:33:17,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 68 states have (on average 1.3235294117647058) internal successors, (90), 77 states have internal predecessors, (90), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2022-01-10 06:33:17,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 121 transitions. [2022-01-10 06:33:17,485 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 121 transitions. Word has length 25 [2022-01-10 06:33:17,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:17,487 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 121 transitions. [2022-01-10 06:33:17,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:17,487 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 121 transitions. [2022-01-10 06:33:17,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-01-10 06:33:17,489 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:17,489 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:17,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:17,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:17,697 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:17,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:17,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1281530714, now seen corresponding path program 1 times [2022-01-10 06:33:17,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:17,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1101949213] [2022-01-10 06:33:17,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:17,698 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:17,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:17,699 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:17,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-01-10 06:33:17,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:17,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:33:17,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:17,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:17,803 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:17,803 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:17,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1101949213] [2022-01-10 06:33:17,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1101949213] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:17,803 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:17,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:33:17,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098256111] [2022-01-10 06:33:17,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:17,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:17,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:17,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:17,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:17,806 INFO L87 Difference]: Start difference. First operand 93 states and 121 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:17,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:17,817 INFO L93 Difference]: Finished difference Result 151 states and 197 transitions. [2022-01-10 06:33:17,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:17,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-01-10 06:33:17,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:17,818 INFO L225 Difference]: With dead ends: 151 [2022-01-10 06:33:17,818 INFO L226 Difference]: Without dead ends: 84 [2022-01-10 06:33:17,819 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:17,820 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 12 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:17,820 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 200 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:17,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-01-10 06:33:17,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-01-10 06:33:17,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 62 states have (on average 1.3387096774193548) internal successors, (83), 71 states have internal predecessors, (83), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-01-10 06:33:17,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 109 transitions. [2022-01-10 06:33:17,827 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 109 transitions. Word has length 26 [2022-01-10 06:33:17,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:17,827 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 109 transitions. [2022-01-10 06:33:17,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:17,827 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 109 transitions. [2022-01-10 06:33:17,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-01-10 06:33:17,828 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:17,828 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:17,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:18,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:18,037 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:18,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:18,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1565936952, now seen corresponding path program 1 times [2022-01-10 06:33:18,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:18,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1604140550] [2022-01-10 06:33:18,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:18,039 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:18,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:18,042 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:18,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-01-10 06:33:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:18,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:33:18,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:18,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:18,182 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:18,182 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:18,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1604140550] [2022-01-10 06:33:18,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1604140550] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:18,182 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:18,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:33:18,182 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344378505] [2022-01-10 06:33:18,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:18,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:18,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:18,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:18,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:18,183 INFO L87 Difference]: Start difference. First operand 84 states and 109 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:18,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:18,191 INFO L93 Difference]: Finished difference Result 160 states and 211 transitions. [2022-01-10 06:33:18,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:18,191 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-01-10 06:33:18,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:18,192 INFO L225 Difference]: With dead ends: 160 [2022-01-10 06:33:18,192 INFO L226 Difference]: Without dead ends: 84 [2022-01-10 06:33:18,193 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:18,193 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 90 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:18,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 107 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:18,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-01-10 06:33:18,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-01-10 06:33:18,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 71 states have internal predecessors, (82), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-01-10 06:33:18,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 108 transitions. [2022-01-10 06:33:18,199 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 108 transitions. Word has length 30 [2022-01-10 06:33:18,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:18,199 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 108 transitions. [2022-01-10 06:33:18,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:18,200 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 108 transitions. [2022-01-10 06:33:18,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-01-10 06:33:18,200 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:18,201 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:18,212 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-01-10 06:33:18,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:18,409 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:18,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:18,410 INFO L85 PathProgramCache]: Analyzing trace with hash -2059110199, now seen corresponding path program 1 times [2022-01-10 06:33:18,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:18,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1898751274] [2022-01-10 06:33:18,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:18,410 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:18,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:18,411 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:18,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-01-10 06:33:18,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:18,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:33:18,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:18,529 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:33:18,530 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:18,530 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:18,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1898751274] [2022-01-10 06:33:18,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1898751274] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:18,532 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:18,532 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:33:18,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003028090] [2022-01-10 06:33:18,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:18,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:18,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:18,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:18,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:18,534 INFO L87 Difference]: Start difference. First operand 84 states and 108 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-10 06:33:18,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:18,571 INFO L93 Difference]: Finished difference Result 207 states and 275 transitions. [2022-01-10 06:33:18,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:18,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2022-01-10 06:33:18,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:18,574 INFO L225 Difference]: With dead ends: 207 [2022-01-10 06:33:18,574 INFO L226 Difference]: Without dead ends: 131 [2022-01-10 06:33:18,578 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:18,582 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 61 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:18,588 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 205 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:18,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2022-01-10 06:33:18,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 129. [2022-01-10 06:33:18,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 96 states have (on average 1.3020833333333333) internal successors, (125), 104 states have internal predecessors, (125), 17 states have call successors, (17), 15 states have call predecessors, (17), 15 states have return successors, (23), 15 states have call predecessors, (23), 17 states have call successors, (23) [2022-01-10 06:33:18,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 165 transitions. [2022-01-10 06:33:18,611 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 165 transitions. Word has length 43 [2022-01-10 06:33:18,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:18,612 INFO L470 AbstractCegarLoop]: Abstraction has 129 states and 165 transitions. [2022-01-10 06:33:18,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-10 06:33:18,612 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 165 transitions. [2022-01-10 06:33:18,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-01-10 06:33:18,613 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:18,613 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:18,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:18,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:18,823 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:18,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:18,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1486842068, now seen corresponding path program 1 times [2022-01-10 06:33:18,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:18,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [568087403] [2022-01-10 06:33:18,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:18,824 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:18,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:18,825 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:18,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-01-10 06:33:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:18,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:33:18,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:18,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:18,956 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:18,983 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:18,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [568087403] [2022-01-10 06:33:18,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [568087403] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:18,984 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:18,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:33:18,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943160556] [2022-01-10 06:33:18,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:18,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:33:18,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:18,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:33:18,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:33:18,985 INFO L87 Difference]: Start difference. First operand 129 states and 165 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 06:33:19,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:19,018 INFO L93 Difference]: Finished difference Result 256 states and 337 transitions. [2022-01-10 06:33:19,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:33:19,019 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2022-01-10 06:33:19,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:19,021 INFO L225 Difference]: With dead ends: 256 [2022-01-10 06:33:19,022 INFO L226 Difference]: Without dead ends: 135 [2022-01-10 06:33:19,022 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:33:19,023 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 10 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:19,023 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 428 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:19,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2022-01-10 06:33:19,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 132. [2022-01-10 06:33:19,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 99 states have (on average 1.292929292929293) internal successors, (128), 107 states have internal predecessors, (128), 17 states have call successors, (17), 15 states have call predecessors, (17), 15 states have return successors, (23), 15 states have call predecessors, (23), 17 states have call successors, (23) [2022-01-10 06:33:19,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 168 transitions. [2022-01-10 06:33:19,036 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 168 transitions. Word has length 49 [2022-01-10 06:33:19,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:19,036 INFO L470 AbstractCegarLoop]: Abstraction has 132 states and 168 transitions. [2022-01-10 06:33:19,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 06:33:19,036 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 168 transitions. [2022-01-10 06:33:19,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-01-10 06:33:19,037 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:19,037 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:19,049 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:19,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:19,248 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:19,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:19,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1909543894, now seen corresponding path program 1 times [2022-01-10 06:33:19,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:19,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1699521363] [2022-01-10 06:33:19,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:19,249 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:19,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:19,250 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:19,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-01-10 06:33:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:19,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:33:19,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:19,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:19,402 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:19,402 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:19,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1699521363] [2022-01-10 06:33:19,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1699521363] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:19,402 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:19,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:33:19,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365992158] [2022-01-10 06:33:19,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:19,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 06:33:19,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:19,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 06:33:19,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 06:33:19,403 INFO L87 Difference]: Start difference. First operand 132 states and 168 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 06:33:19,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:19,420 INFO L93 Difference]: Finished difference Result 264 states and 351 transitions. [2022-01-10 06:33:19,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 06:33:19,421 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2022-01-10 06:33:19,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:19,422 INFO L225 Difference]: With dead ends: 264 [2022-01-10 06:33:19,422 INFO L226 Difference]: Without dead ends: 140 [2022-01-10 06:33:19,422 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:33:19,423 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 11 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:19,423 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 322 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:19,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-01-10 06:33:19,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 134. [2022-01-10 06:33:19,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 101 states have (on average 1.2871287128712872) internal successors, (130), 109 states have internal predecessors, (130), 17 states have call successors, (17), 15 states have call predecessors, (17), 15 states have return successors, (23), 15 states have call predecessors, (23), 17 states have call successors, (23) [2022-01-10 06:33:19,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 170 transitions. [2022-01-10 06:33:19,429 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 170 transitions. Word has length 49 [2022-01-10 06:33:19,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:19,430 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 170 transitions. [2022-01-10 06:33:19,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 06:33:19,430 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 170 transitions. [2022-01-10 06:33:19,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-01-10 06:33:19,431 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:19,431 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:19,457 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:19,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:19,631 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:19,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:19,632 INFO L85 PathProgramCache]: Analyzing trace with hash 104105560, now seen corresponding path program 1 times [2022-01-10 06:33:19,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:19,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1791522098] [2022-01-10 06:33:19,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:19,632 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:19,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:19,633 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:19,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-01-10 06:33:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:19,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:33:19,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:19,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:19,770 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:19,771 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:19,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1791522098] [2022-01-10 06:33:19,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1791522098] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:19,771 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:19,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:33:19,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023959168] [2022-01-10 06:33:19,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:19,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:19,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:19,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:19,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:19,772 INFO L87 Difference]: Start difference. First operand 134 states and 170 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 06:33:19,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:19,791 INFO L93 Difference]: Finished difference Result 314 states and 403 transitions. [2022-01-10 06:33:19,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:19,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2022-01-10 06:33:19,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:19,792 INFO L225 Difference]: With dead ends: 314 [2022-01-10 06:33:19,792 INFO L226 Difference]: Without dead ends: 188 [2022-01-10 06:33:19,793 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:19,793 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 42 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:19,793 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 207 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:19,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2022-01-10 06:33:19,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 186. [2022-01-10 06:33:19,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 140 states have (on average 1.2642857142857142) internal successors, (177), 149 states have internal predecessors, (177), 24 states have call successors, (24), 22 states have call predecessors, (24), 21 states have return successors, (30), 21 states have call predecessors, (30), 24 states have call successors, (30) [2022-01-10 06:33:19,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 231 transitions. [2022-01-10 06:33:19,801 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 231 transitions. Word has length 49 [2022-01-10 06:33:19,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:19,801 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 231 transitions. [2022-01-10 06:33:19,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 06:33:19,801 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 231 transitions. [2022-01-10 06:33:19,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-01-10 06:33:19,802 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:19,802 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:19,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:20,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:20,009 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:20,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:20,009 INFO L85 PathProgramCache]: Analyzing trace with hash 528797415, now seen corresponding path program 1 times [2022-01-10 06:33:20,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:20,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [45540091] [2022-01-10 06:33:20,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:20,010 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:20,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:20,011 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:20,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-01-10 06:33:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:20,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:33:20,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:20,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:20,212 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:20,212 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:20,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [45540091] [2022-01-10 06:33:20,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [45540091] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:20,212 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:20,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:33:20,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282930857] [2022-01-10 06:33:20,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:20,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:33:20,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:20,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:33:20,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:33:20,214 INFO L87 Difference]: Start difference. First operand 186 states and 231 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-01-10 06:33:20,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:20,293 INFO L93 Difference]: Finished difference Result 540 states and 683 transitions. [2022-01-10 06:33:20,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 06:33:20,293 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 51 [2022-01-10 06:33:20,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:20,295 INFO L225 Difference]: With dead ends: 540 [2022-01-10 06:33:20,295 INFO L226 Difference]: Without dead ends: 362 [2022-01-10 06:33:20,296 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:33:20,296 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 58 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:20,296 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 516 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:33:20,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2022-01-10 06:33:20,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 353. [2022-01-10 06:33:20,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 262 states have (on average 1.2366412213740459) internal successors, (324), 279 states have internal predecessors, (324), 48 states have call successors, (48), 44 states have call predecessors, (48), 42 states have return successors, (63), 42 states have call predecessors, (63), 48 states have call successors, (63) [2022-01-10 06:33:20,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 435 transitions. [2022-01-10 06:33:20,312 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 435 transitions. Word has length 51 [2022-01-10 06:33:20,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:20,312 INFO L470 AbstractCegarLoop]: Abstraction has 353 states and 435 transitions. [2022-01-10 06:33:20,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-01-10 06:33:20,312 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 435 transitions. [2022-01-10 06:33:20,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-01-10 06:33:20,313 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:20,313 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:20,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:20,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:20,524 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:20,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:20,524 INFO L85 PathProgramCache]: Analyzing trace with hash 412611307, now seen corresponding path program 1 times [2022-01-10 06:33:20,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:20,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [155498312] [2022-01-10 06:33:20,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:20,525 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:20,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:20,584 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:20,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-01-10 06:33:20,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:20,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 11 conjunts are in the unsatisfiable core [2022-01-10 06:33:20,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:20,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:20,829 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:20,829 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:20,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [155498312] [2022-01-10 06:33:20,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [155498312] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:20,829 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:20,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-10 06:33:20,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923740928] [2022-01-10 06:33:20,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:20,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:33:20,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:20,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:33:20,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:33:20,830 INFO L87 Difference]: Start difference. First operand 353 states and 435 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:33:21,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:21,044 INFO L93 Difference]: Finished difference Result 762 states and 937 transitions. [2022-01-10 06:33:21,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-10 06:33:21,045 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2022-01-10 06:33:21,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:21,047 INFO L225 Difference]: With dead ends: 762 [2022-01-10 06:33:21,047 INFO L226 Difference]: Without dead ends: 417 [2022-01-10 06:33:21,048 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-01-10 06:33:21,048 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 121 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:21,049 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 397 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 06:33:21,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2022-01-10 06:33:21,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 400. [2022-01-10 06:33:21,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 295 states have (on average 1.2101694915254237) internal successors, (357), 312 states have internal predecessors, (357), 52 states have call successors, (52), 44 states have call predecessors, (52), 52 states have return successors, (77), 54 states have call predecessors, (77), 52 states have call successors, (77) [2022-01-10 06:33:21,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 486 transitions. [2022-01-10 06:33:21,064 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 486 transitions. Word has length 55 [2022-01-10 06:33:21,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:21,065 INFO L470 AbstractCegarLoop]: Abstraction has 400 states and 486 transitions. [2022-01-10 06:33:21,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:33:21,065 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 486 transitions. [2022-01-10 06:33:21,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-01-10 06:33:21,065 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:21,066 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:21,088 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-01-10 06:33:21,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:21,289 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:21,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:21,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1762581378, now seen corresponding path program 1 times [2022-01-10 06:33:21,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:21,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [232968871] [2022-01-10 06:33:21,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:21,290 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:21,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:21,291 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:21,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-01-10 06:33:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:21,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:33:21,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:21,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:21,445 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:21,445 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:21,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [232968871] [2022-01-10 06:33:21,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [232968871] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:21,446 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:21,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:33:21,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575520402] [2022-01-10 06:33:21,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:21,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:21,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:21,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:21,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:21,447 INFO L87 Difference]: Start difference. First operand 400 states and 486 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-01-10 06:33:21,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:21,470 INFO L93 Difference]: Finished difference Result 624 states and 774 transitions. [2022-01-10 06:33:21,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:21,470 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 57 [2022-01-10 06:33:21,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:21,473 INFO L225 Difference]: With dead ends: 624 [2022-01-10 06:33:21,473 INFO L226 Difference]: Without dead ends: 622 [2022-01-10 06:33:21,473 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:21,473 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 54 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:21,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 237 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:21,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2022-01-10 06:33:21,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 510. [2022-01-10 06:33:21,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 375 states have (on average 1.2213333333333334) internal successors, (458), 399 states have internal predecessors, (458), 66 states have call successors, (66), 55 states have call predecessors, (66), 68 states have return successors, (107), 68 states have call predecessors, (107), 66 states have call successors, (107) [2022-01-10 06:33:21,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 631 transitions. [2022-01-10 06:33:21,501 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 631 transitions. Word has length 57 [2022-01-10 06:33:21,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:21,501 INFO L470 AbstractCegarLoop]: Abstraction has 510 states and 631 transitions. [2022-01-10 06:33:21,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-01-10 06:33:21,501 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 631 transitions. [2022-01-10 06:33:21,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-01-10 06:33:21,503 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:21,503 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:21,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:21,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:21,709 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:21,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:21,710 INFO L85 PathProgramCache]: Analyzing trace with hash -664407980, now seen corresponding path program 1 times [2022-01-10 06:33:21,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:21,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [420280983] [2022-01-10 06:33:21,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:21,710 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:21,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:21,711 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:21,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-01-10 06:33:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:21,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:33:21,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:21,882 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:21,882 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:21,882 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:21,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [420280983] [2022-01-10 06:33:21,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [420280983] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:21,882 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:21,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:33:21,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049392812] [2022-01-10 06:33:21,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:21,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:21,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:21,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:21,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:21,884 INFO L87 Difference]: Start difference. First operand 510 states and 631 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-01-10 06:33:21,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:21,911 INFO L93 Difference]: Finished difference Result 873 states and 1095 transitions. [2022-01-10 06:33:21,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:21,911 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 100 [2022-01-10 06:33:21,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:21,913 INFO L225 Difference]: With dead ends: 873 [2022-01-10 06:33:21,913 INFO L226 Difference]: Without dead ends: 471 [2022-01-10 06:33:21,913 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:21,914 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 50 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:21,914 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 219 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:21,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2022-01-10 06:33:21,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 471. [2022-01-10 06:33:21,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 345 states have (on average 1.1884057971014492) internal successors, (410), 368 states have internal predecessors, (410), 62 states have call successors, (62), 52 states have call predecessors, (62), 63 states have return successors, (81), 63 states have call predecessors, (81), 62 states have call successors, (81) [2022-01-10 06:33:21,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 553 transitions. [2022-01-10 06:33:21,928 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 553 transitions. Word has length 100 [2022-01-10 06:33:21,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:21,928 INFO L470 AbstractCegarLoop]: Abstraction has 471 states and 553 transitions. [2022-01-10 06:33:21,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-01-10 06:33:21,928 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 553 transitions. [2022-01-10 06:33:21,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-01-10 06:33:21,930 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:21,930 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:21,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:22,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:22,137 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:22,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:22,137 INFO L85 PathProgramCache]: Analyzing trace with hash -2099189228, now seen corresponding path program 1 times [2022-01-10 06:33:22,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:22,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [68543785] [2022-01-10 06:33:22,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:22,138 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:22,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:22,139 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:22,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-01-10 06:33:22,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:22,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-10 06:33:22,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:22,412 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-01-10 06:33:22,412 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:22,412 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:22,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [68543785] [2022-01-10 06:33:22,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [68543785] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:22,412 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:22,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-10 06:33:22,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445517020] [2022-01-10 06:33:22,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:22,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-10 06:33:22,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:22,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-10 06:33:22,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:33:22,414 INFO L87 Difference]: Start difference. First operand 471 states and 553 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2022-01-10 06:33:22,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:22,505 INFO L93 Difference]: Finished difference Result 866 states and 1023 transitions. [2022-01-10 06:33:22,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 06:33:22,506 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) Word has length 110 [2022-01-10 06:33:22,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:22,506 INFO L225 Difference]: With dead ends: 866 [2022-01-10 06:33:22,506 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 06:33:22,508 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-01-10 06:33:22,508 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 46 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 934 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:22,508 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 934 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:33:22,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 06:33:22,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 06:33:22,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 06:33:22,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 06:33:22,509 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2022-01-10 06:33:22,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:22,509 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 06:33:22,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2022-01-10 06:33:22,509 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 06:33:22,509 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 06:33:22,511 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:33:22,520 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2022-01-10 06:33:22,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:22,720 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 06:33:26,027 INFO L854 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 624 631) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32))) .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse2))) [2022-01-10 06:33:26,027 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 624 631) no Hoare annotation was computed. [2022-01-10 06:33:26,027 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 624 631) no Hoare annotation was computed. [2022-01-10 06:33:26,027 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 531 537) no Hoare annotation was computed. [2022-01-10 06:33:26,027 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 531 537) the Hoare annotation is: true [2022-01-10 06:33:26,027 INFO L858 garLoopResultBuilder]: For program point L897-1(lines 893 904) no Hoare annotation was computed. [2022-01-10 06:33:26,027 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 893 904) the Hoare annotation is: (let ((.cse1 (not (= |old(~methaneLevelCritical~0)| (_ bv1 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse4 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (not (= |old(~methaneLevelCritical~0)| (_ bv0 32)))) (.cse5 (not (= ~methAndRunningLastTime~0 (_ bv0 32)))) (.cse3 (not (= (_ bv1 32) ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse5) (or .cse4 .cse0 .cse6 .cse7 .cse5) (or .cse0 .cse6 .cse7 .cse5 .cse3))) [2022-01-10 06:33:26,027 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 893 904) no Hoare annotation was computed. [2022-01-10 06:33:26,028 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 905 913) the Hoare annotation is: true [2022-01-10 06:33:26,028 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 905 913) no Hoare annotation was computed. [2022-01-10 06:33:26,028 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 905 913) no Hoare annotation was computed. [2022-01-10 06:33:26,028 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 767 796) no Hoare annotation was computed. [2022-01-10 06:33:26,028 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 767 796) the Hoare annotation is: true [2022-01-10 06:33:26,028 INFO L861 garLoopResultBuilder]: At program point L792(lines 767 796) the Hoare annotation is: true [2022-01-10 06:33:26,028 INFO L858 garLoopResultBuilder]: For program point L788(line 788) no Hoare annotation was computed. [2022-01-10 06:33:26,028 INFO L858 garLoopResultBuilder]: For program point L781(lines 781 785) no Hoare annotation was computed. [2022-01-10 06:33:26,028 INFO L861 garLoopResultBuilder]: At program point L781-1(lines 781 785) the Hoare annotation is: true [2022-01-10 06:33:26,028 INFO L858 garLoopResultBuilder]: For program point L778(line 778) no Hoare annotation was computed. [2022-01-10 06:33:26,028 INFO L861 garLoopResultBuilder]: At program point L777-2(lines 777 791) the Hoare annotation is: true [2022-01-10 06:33:26,028 INFO L861 garLoopResultBuilder]: At program point L773(line 773) the Hoare annotation is: true [2022-01-10 06:33:26,028 INFO L858 garLoopResultBuilder]: For program point L773-1(line 773) no Hoare annotation was computed. [2022-01-10 06:33:26,028 INFO L854 garLoopResultBuilder]: At program point L605(line 605) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 .cse4) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse4 .cse5) (or .cse0 .cse2 .cse5))) [2022-01-10 06:33:26,028 INFO L854 garLoopResultBuilder]: At program point L601(line 601) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 (and (= |timeShift_isMethaneAlarm_#res#1| (_ bv1 32)) .cse3 (= |timeShift_processEnvironment_~tmp~6#1| (_ bv1 32)))) (or .cse0 .cse4 .cse1 .cse5) (or .cse0 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse1 .cse5 .cse2) (or .cse0 .cse4 .cse5 .cse6) (or .cse0 .cse3 .cse6 .cse2))) [2022-01-10 06:33:26,028 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 507 530) no Hoare annotation was computed. [2022-01-10 06:33:26,028 INFO L854 garLoopResultBuilder]: At program point L742(line 742) the Hoare annotation is: (let ((.cse10 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse8 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse2 (and .cse10 (= ~waterLevel~0 (_ bv1 32)) .cse8)) (.cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse9 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse5 .cse7 .cse8) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse7 .cse9 .cse8) (or .cse0 .cse1 .cse2 .cse3 .cse5 .cse7) (or .cse0 (and (= |timeShift_isMethaneAlarm_#res#1| (_ bv1 32)) (= |timeShift_processEnvironment_~tmp~6#1| (_ bv1 32)) .cse8) .cse4 .cse9) (or .cse0 .cse1 (and .cse6 .cse10) .cse4 .cse5 .cse8)))) [2022-01-10 06:33:26,028 INFO L858 garLoopResultBuilder]: For program point L742-1(line 742) no Hoare annotation was computed. [2022-01-10 06:33:26,029 INFO L854 garLoopResultBuilder]: At program point L610(line 610) the Hoare annotation is: (let ((.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse6 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse9 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse4 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse8 (= ~waterLevel~0 (_ bv1 32)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse1 .cse5) (or .cse0 .cse3 (and .cse6 .cse5) .cse7 .cse4) (or .cse0 .cse7 .cse2) (or .cse0 .cse3 (and .cse6 .cse8) .cse9 .cse4 .cse1) (or .cse0 .cse3 .cse9 .cse7 .cse4 .cse8))) [2022-01-10 06:33:26,029 INFO L854 garLoopResultBuilder]: At program point L610-1(lines 591 615) the Hoare annotation is: (let ((.cse10 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse8 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse2 (and .cse10 (= ~waterLevel~0 (_ bv1 32)) .cse8)) (.cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse9 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse5 .cse7 .cse8) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse7 .cse9 .cse8) (or .cse0 .cse1 .cse2 .cse3 .cse5 .cse7) (or .cse0 (and (= |timeShift_isMethaneAlarm_#res#1| (_ bv1 32)) (= |timeShift_processEnvironment_~tmp~6#1| (_ bv1 32)) .cse8) .cse4 .cse9) (or .cse0 .cse1 (and .cse6 .cse10) .cse4 .cse5 .cse8)))) [2022-01-10 06:33:26,029 INFO L854 garLoopResultBuilder]: At program point L639(lines 632 642) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3 .cse4) (or (and (= |timeShift_isMethaneAlarm_#res#1| (_ bv1 32)) .cse5) .cse0 .cse2 .cse4) (or .cse0 .cse1 .cse3 .cse6) (or .cse0 .cse5 .cse6 .cse4))) [2022-01-10 06:33:26,029 INFO L858 garLoopResultBuilder]: For program point L511-1(lines 510 529) no Hoare annotation was computed. [2022-01-10 06:33:26,029 INFO L854 garLoopResultBuilder]: At program point L648(lines 643 651) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse7 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse8 (= |timeShift_isPumpRunning_#res#1| (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 (and .cse4 (= ~waterLevel~0 (_ bv1 32)) .cse5) (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse6 .cse7) (or .cse0 .cse3 .cse7 .cse1) (or .cse0 .cse3 (and .cse8 .cse5) (and (= (_ bv1 32) ~pumpRunning~0) .cse4) .cse6 .cse7) (or (and .cse8 (= |timeShift_isMethaneAlarm_#res#1| (_ bv1 32)) (= |timeShift_processEnvironment_~tmp~6#1| (_ bv1 32)) .cse5) .cse0 .cse6 .cse2))) [2022-01-10 06:33:26,029 INFO L858 garLoopResultBuilder]: For program point L599(lines 599 607) no Hoare annotation was computed. [2022-01-10 06:33:26,029 INFO L858 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-01-10 06:33:26,029 INFO L858 garLoopResultBuilder]: For program point L595(lines 595 612) no Hoare annotation was computed. [2022-01-10 06:33:26,029 INFO L858 garLoopResultBuilder]: For program point L748(lines 748 758) no Hoare annotation was computed. [2022-01-10 06:33:26,029 INFO L858 garLoopResultBuilder]: For program point L744(lines 744 761) no Hoare annotation was computed. [2022-01-10 06:33:26,029 INFO L854 garLoopResultBuilder]: At program point L744-1(lines 736 764) the Hoare annotation is: (let ((.cse7 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse10 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~9#1| (_ bv0 32))) (.cse8 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse0 (and (= ~waterLevel~0 (_ bv1 32)) .cse8)) (.cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse9 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse11 (and .cse7 .cse10 .cse8)) (.cse12 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse4 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse6 .cse4) (or .cse1 (and .cse7 (= |timeShift_isMethaneAlarm_#res#1| (_ bv1 32)) (= |timeShift_processEnvironment_~tmp~6#1| (_ bv1 32)) .cse8) .cse6 .cse9) (or .cse1 .cse5 .cse9 (and .cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse10) .cse11) (or .cse1 .cse2 .cse4 (and .cse12 .cse7 .cse10) .cse5 .cse11) (or .cse12 .cse1 .cse2 (and .cse7 .cse8) .cse6 .cse4)))) [2022-01-10 06:33:26,029 INFO L854 garLoopResultBuilder]: At program point L637(line 637) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse4) (or .cse0 .cse1 .cse3 .cse6) (or .cse0 .cse5 .cse6 .cse4))) [2022-01-10 06:33:26,029 INFO L858 garLoopResultBuilder]: For program point L637-1(line 637) no Hoare annotation was computed. [2022-01-10 06:33:26,029 INFO L854 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse5) (or .cse0 .cse3 .cse5 .cse1) (or .cse0 .cse4 .cse2))) [2022-01-10 06:33:26,030 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 507 530) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)))) (let ((.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse9 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse10 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (and .cse1 (= (_ bv0 32) ~pumpRunning~0))) (.cse3 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse2 .cse3) (or .cse0 .cse7 .cse2 .cse4) (or .cse0 .cse7 .cse8 .cse4) (or .cse0 .cse5 .cse9 .cse3 .cse10 .cse8) (or .cse0 .cse5 .cse9 .cse2 .cse3 .cse10) (or .cse0 .cse5 .cse6 .cse3 .cse8)))) [2022-01-10 06:33:26,030 INFO L858 garLoopResultBuilder]: For program point L749(lines 749 755) no Hoare annotation was computed. [2022-01-10 06:33:26,030 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 507 530) no Hoare annotation was computed. [2022-01-10 06:33:26,030 INFO L858 garLoopResultBuilder]: For program point L873(lines 873 877) no Hoare annotation was computed. [2022-01-10 06:33:26,030 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-01-10 06:33:26,030 INFO L854 garLoopResultBuilder]: At program point L873-2(lines 869 880) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse4) (or .cse0 .cse1 .cse3 .cse6) (or .cse0 .cse5 .cse6 .cse4))) [2022-01-10 06:33:26,030 INFO L858 garLoopResultBuilder]: For program point L518-1(lines 518 524) no Hoare annotation was computed. [2022-01-10 06:33:26,030 INFO L854 garLoopResultBuilder]: At program point L733(lines 728 735) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:33:26,030 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2022-01-10 06:33:26,030 INFO L861 garLoopResultBuilder]: At program point L861(lines 842 864) the Hoare annotation is: true [2022-01-10 06:33:26,030 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 93 99) no Hoare annotation was computed. [2022-01-10 06:33:26,030 INFO L861 garLoopResultBuilder]: At program point L122(lines 63 126) the Hoare annotation is: true [2022-01-10 06:33:26,030 INFO L854 garLoopResultBuilder]: At program point L985(lines 981 987) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:33:26,030 INFO L854 garLoopResultBuilder]: At program point L85(line 85) the Hoare annotation is: (let ((.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse4) (and .cse6 .cse0 .cse5 .cse1 .cse3) (and .cse6 .cse1 .cse2 .cse3))) [2022-01-10 06:33:26,030 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 06:33:26,030 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 06:33:26,030 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 06:33:26,031 INFO L854 garLoopResultBuilder]: At program point L825(lines 821 827) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:33:26,031 INFO L854 garLoopResultBuilder]: At program point L119(lines 72 120) the Hoare annotation is: false [2022-01-10 06:33:26,031 INFO L858 garLoopResultBuilder]: For program point L74(lines 73 118) no Hoare annotation was computed. [2022-01-10 06:33:26,031 INFO L858 garLoopResultBuilder]: For program point L103(lines 103 114) no Hoare annotation was computed. [2022-01-10 06:33:26,031 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 06:33:26,031 INFO L854 garLoopResultBuilder]: At program point L95(line 95) the Hoare annotation is: (let ((.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse4) (and .cse6 .cse0 .cse5 .cse1 .cse3) (and .cse6 .cse1 .cse2 .cse3))) [2022-01-10 06:33:26,031 INFO L854 garLoopResultBuilder]: At program point L116(lines 73 118) the Hoare annotation is: (let ((.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse4) (and .cse6 .cse0 .cse5 .cse1 .cse3) (and .cse6 .cse1 .cse2 .cse3))) [2022-01-10 06:33:26,031 INFO L858 garLoopResultBuilder]: For program point L83(lines 83 89) no Hoare annotation was computed. [2022-01-10 06:33:26,031 INFO L858 garLoopResultBuilder]: For program point L83-1(lines 83 89) no Hoare annotation was computed. [2022-01-10 06:33:26,031 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2022-01-10 06:33:26,031 INFO L854 garLoopResultBuilder]: At program point L1000(lines 995 1003) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:33:26,031 INFO L854 garLoopResultBuilder]: At program point L992(lines 988 994) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:33:26,031 INFO L858 garLoopResultBuilder]: For program point L852(lines 852 859) no Hoare annotation was computed. [2022-01-10 06:33:26,031 INFO L858 garLoopResultBuilder]: For program point L852-2(lines 852 859) no Hoare annotation was computed. [2022-01-10 06:33:26,031 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 113) no Hoare annotation was computed. [2022-01-10 06:33:26,031 INFO L854 garLoopResultBuilder]: At program point L109-2(lines 103 114) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse4) (and .cse6 .cse5 .cse1 .cse3) (and .cse6 .cse1 .cse2 .cse3))) [2022-01-10 06:33:26,031 INFO L861 garLoopResultBuilder]: At program point L836(lines 828 838) the Hoare annotation is: true [2022-01-10 06:33:26,032 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 539 563) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32))) (not (= ~methAndRunningLastTime~0 (_ bv0 32))) .cse3))) [2022-01-10 06:33:26,032 INFO L858 garLoopResultBuilder]: For program point L543(lines 543 560) no Hoare annotation was computed. [2022-01-10 06:33:26,032 INFO L858 garLoopResultBuilder]: For program point L950(lines 950 956) no Hoare annotation was computed. [2022-01-10 06:33:26,032 INFO L854 garLoopResultBuilder]: At program point L558(line 558) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32))) (not (= ~methAndRunningLastTime~0 (_ bv0 32)))))) [2022-01-10 06:33:26,032 INFO L858 garLoopResultBuilder]: For program point L558-1(lines 539 563) no Hoare annotation was computed. [2022-01-10 06:33:26,032 INFO L854 garLoopResultBuilder]: At program point L703(lines 688 706) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse3 (and (= (_ bv0 32) |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| (_ bv0 32)))) (.cse4 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= ~methAndRunningLastTime~0 (_ bv0 32)))) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse0 .cse1 .cse2 .cse6) (or .cse0 .cse1 .cse7 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse7 .cse5 .cse6))) [2022-01-10 06:33:26,032 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 539 563) no Hoare annotation was computed. [2022-01-10 06:33:26,032 INFO L854 garLoopResultBuilder]: At program point L955(lines 946 959) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv1 32))) (.cse4 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= ~methAndRunningLastTime~0 (_ bv0 32)))) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse2 .cse0 .cse3 .cse1 .cse4 .cse5) (or .cse0 .cse3 .cse1 .cse6) (or .cse2 .cse0 .cse3 .cse7 .cse4 .cse5) (or .cse0 .cse3 .cse7 .cse5 .cse6))) [2022-01-10 06:33:26,032 INFO L858 garLoopResultBuilder]: For program point L697(lines 697 701) no Hoare annotation was computed. [2022-01-10 06:33:26,032 INFO L858 garLoopResultBuilder]: For program point L697-2(lines 697 701) no Hoare annotation was computed. [2022-01-10 06:33:26,032 INFO L854 garLoopResultBuilder]: At program point L621(lines 616 623) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse6 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse4 (not (= ~methAndRunningLastTime~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse0 .cse1 .cse2 .cse5) (or .cse1 .cse2 .cse5 .cse6 .cse4) (or .cse1 .cse2 .cse3 .cse6 .cse4))) [2022-01-10 06:33:26,032 INFO L854 garLoopResultBuilder]: At program point L553(line 553) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse0 (not .cse4)) (.cse2 (and (= |processEnvironment__wrappee__highWaterSensor_~tmp~4#1| (_ bv0 32)) .cse4 (= (_ bv0 32) ~pumpRunning~0))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse0 .cse2 .cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32))) (not (= ~methAndRunningLastTime~0 (_ bv0 32)))) (or .cse0 .cse2 .cse3 .cse1)))) [2022-01-10 06:33:26,032 INFO L858 garLoopResultBuilder]: For program point L547(lines 547 555) no Hoare annotation was computed. [2022-01-10 06:33:26,032 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 881 892) no Hoare annotation was computed. [2022-01-10 06:33:26,032 INFO L858 garLoopResultBuilder]: For program point L885-1(lines 881 892) no Hoare annotation was computed. [2022-01-10 06:33:26,032 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 881 892) the Hoare annotation is: (let ((.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse3 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (not (= ~methAndRunningLastTime~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse4) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32))) .cse3 .cse4))) [2022-01-10 06:33:26,032 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 565 589) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32))) (not (= ~methAndRunningLastTime~0 (_ bv0 32))) .cse3))) [2022-01-10 06:33:26,033 INFO L854 garLoopResultBuilder]: At program point L965(lines 960 968) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32))) (not (= ~methAndRunningLastTime~0 (_ bv0 32)))))) [2022-01-10 06:33:26,033 INFO L854 garLoopResultBuilder]: At program point L579(line 579) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32))) (not (= ~methAndRunningLastTime~0 (_ bv0 32)))))) [2022-01-10 06:33:26,033 INFO L854 garLoopResultBuilder]: At program point L575(line 575) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32))) (not (= ~methAndRunningLastTime~0 (_ bv0 32)))))) [2022-01-10 06:33:26,033 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 565 589) no Hoare annotation was computed. [2022-01-10 06:33:26,033 INFO L858 garLoopResultBuilder]: For program point L573(lines 573 581) no Hoare annotation was computed. [2022-01-10 06:33:26,033 INFO L858 garLoopResultBuilder]: For program point L569(lines 569 586) no Hoare annotation was computed. [2022-01-10 06:33:26,033 INFO L854 garLoopResultBuilder]: At program point L722(lines 707 725) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32))) (not (= ~methAndRunningLastTime~0 (_ bv0 32)))))) [2022-01-10 06:33:26,033 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 720) no Hoare annotation was computed. [2022-01-10 06:33:26,033 INFO L858 garLoopResultBuilder]: For program point L716-2(lines 716 720) no Hoare annotation was computed. [2022-01-10 06:33:26,033 INFO L854 garLoopResultBuilder]: At program point L584(line 584) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse0 .cse2 .cse1 .cse3) (or .cse0 .cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32))) (not (= ~methAndRunningLastTime~0 (_ bv0 32))) .cse3))) [2022-01-10 06:33:26,033 INFO L858 garLoopResultBuilder]: For program point L584-1(lines 565 589) no Hoare annotation was computed. [2022-01-10 06:33:26,035 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:26,036 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:33:26,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:33:26 BoogieIcfgContainer [2022-01-10 06:33:26,069 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:33:26,069 INFO L158 Benchmark]: Toolchain (without parser) took 9819.98ms. Allocated memory was 220.2MB in the beginning and 264.2MB in the end (delta: 44.0MB). Free memory was 168.5MB in the beginning and 232.5MB in the end (delta: -63.9MB). Peak memory consumption was 127.1MB. Max. memory is 8.0GB. [2022-01-10 06:33:26,069 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 220.2MB. Free memory was 185.6MB in the beginning and 185.5MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:33:26,070 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.27ms. Allocated memory is still 220.2MB. Free memory was 168.4MB in the beginning and 180.6MB in the end (delta: -12.2MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. [2022-01-10 06:33:26,070 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.90ms. Allocated memory is still 220.2MB. Free memory was 180.6MB in the beginning and 178.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:33:26,070 INFO L158 Benchmark]: Boogie Preprocessor took 35.35ms. Allocated memory is still 220.2MB. Free memory was 178.0MB in the beginning and 176.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:33:26,070 INFO L158 Benchmark]: RCFGBuilder took 351.80ms. Allocated memory is still 220.2MB. Free memory was 176.4MB in the beginning and 158.6MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-01-10 06:33:26,070 INFO L158 Benchmark]: TraceAbstraction took 9020.77ms. Allocated memory was 220.2MB in the beginning and 264.2MB in the end (delta: 44.0MB). Free memory was 158.0MB in the beginning and 232.5MB in the end (delta: -74.4MB). Peak memory consumption was 116.9MB. Max. memory is 8.0GB. [2022-01-10 06:33:26,071 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 220.2MB. Free memory was 185.6MB in the beginning and 185.5MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 375.27ms. Allocated memory is still 220.2MB. Free memory was 168.4MB in the beginning and 180.6MB in the end (delta: -12.2MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.90ms. Allocated memory is still 220.2MB. Free memory was 180.6MB in the beginning and 178.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.35ms. Allocated memory is still 220.2MB. Free memory was 178.0MB in the beginning and 176.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 351.80ms. Allocated memory is still 220.2MB. Free memory was 176.4MB in the beginning and 158.6MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 9020.77ms. Allocated memory was 220.2MB in the beginning and 264.2MB in the end (delta: 44.0MB). Free memory was 158.0MB in the beginning and 232.5MB in the end (delta: -74.4MB). Peak memory consumption was 116.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 102 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.9s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 567 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 555 mSDsluCounter, 3902 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2408 mSDsCounter, 67 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 338 IncrementalHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 67 mSolverCounterUnsat, 1494 mSDtfsCounter, 338 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 647 GetRequests, 609 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=510occurred in iteration=10, InterpolantAutomatonStates: 55, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 151 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 47 LocationsWithAnnotation, 1226 PreInvPairs, 1324 NumberOfFragments, 2611 HoareAnnotationTreeSize, 1226 FomulaSimplifications, 46 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 47 FomulaSimplificationsInter, 4801 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 644 NumberOfCodeBlocks, 644 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 632 ConstructedInterpolants, 0 QuantifiedInterpolants, 1260 SizeOfPredicates, 20 NumberOfNonLiveVariables, 2317 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 80/80 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(0bv32 == \old(methAndRunningLastTime))) && ((((!(systemActive == 1bv32) || methAndRunningLastTime == 0bv32) || !(methaneLevelCritical == 1bv32)) || !(0bv32 == \old(methAndRunningLastTime))) || !(\old(pumpRunning) == 1bv32))) && ((((\result == 1bv32 && \old(pumpRunning) == pumpRunning) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(0bv32 == \old(methAndRunningLastTime))) || !(methaneLevelCritical == 0bv32))) && (((!(systemActive == 1bv32) || \old(pumpRunning) == pumpRunning) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) && (((!(systemActive == 1bv32) || \old(pumpRunning) == pumpRunning) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(methAndRunningLastTime == 0bv32)) - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: ((((((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || (0bv32 == tmp___0 && \result == 0bv32)) || !(waterLevel == 1bv32)) || !(methAndRunningLastTime == 0bv32)) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || 0bv32 == pumpRunning)) && (((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || (0bv32 == tmp___0 && \result == 0bv32)) || !(waterLevel == 1bv32)) || !(methAndRunningLastTime == 0bv32))) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(methAndRunningLastTime == 0bv32)) || 0bv32 == pumpRunning) - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(0bv32 == \old(methAndRunningLastTime))) && ((((!(systemActive == 1bv32) || methAndRunningLastTime == 0bv32) || !(methaneLevelCritical == 1bv32)) || !(0bv32 == \old(methAndRunningLastTime))) || !(\old(pumpRunning) == 1bv32))) && (((!(systemActive == 1bv32) || \old(pumpRunning) == pumpRunning) || !(methaneLevelCritical == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(0bv32 == \old(methAndRunningLastTime))) || !(methaneLevelCritical == 0bv32))) && (((!(systemActive == 1bv32) || \old(pumpRunning) == pumpRunning) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) && (((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || ((methAndRunningLastTime == 0bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) || !(0bv32 == \old(methAndRunningLastTime)))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(0bv32 == \old(methAndRunningLastTime))) || !(methaneLevelCritical == 0bv32))) && (((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || (\result == 0bv32 && 0bv32 == pumpRunning)) || (1bv32 == pumpRunning && methAndRunningLastTime == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(0bv32 == \old(methAndRunningLastTime)))) && ((((((\result == 0bv32 && \result == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 1bv32)) || !(\old(pumpRunning) == 1bv32)) - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: (((((((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || ((methAndRunningLastTime == 0bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) || !(0bv32 == \old(methAndRunningLastTime))) && (((((1bv32 == pumpRunning || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(0bv32 == \old(methAndRunningLastTime))) || !(methaneLevelCritical == 0bv32)) || 0bv32 == pumpRunning)) && ((((!(systemActive == 1bv32) || \old(pumpRunning) == pumpRunning) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) || 0bv32 == pumpRunning)) && (((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || ((methAndRunningLastTime == 0bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || !(1bv32 == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime))) || !(methaneLevelCritical == 0bv32))) && (((!(systemActive == 1bv32) || ((\result == 1bv32 && tmp == 1bv32) && 0bv32 == pumpRunning)) || !(methaneLevelCritical == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && (((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || (1bv32 == pumpRunning && methAndRunningLastTime == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(0bv32 == \old(methAndRunningLastTime))) || 0bv32 == pumpRunning) - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: ((((((((((waterLevel == 1bv32 && 0bv32 == pumpRunning) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime))) || !(methaneLevelCritical == 0bv32)) && ((((((waterLevel == 1bv32 && 0bv32 == pumpRunning) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) || !(0bv32 == \old(methAndRunningLastTime)))) && (((!(systemActive == 1bv32) || (((methAndRunningLastTime == 0bv32 && \result == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning)) || !(methaneLevelCritical == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && ((((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) || ((methAndRunningLastTime == 0bv32 && \old(pumpRunning) == pumpRunning) && tmp == 0bv32)) || ((methAndRunningLastTime == 0bv32 && tmp == 0bv32) && 0bv32 == pumpRunning))) && (((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(0bv32 == \old(methAndRunningLastTime))) || ((1bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && tmp == 0bv32)) || !(methaneLevelCritical == 0bv32)) || ((methAndRunningLastTime == 0bv32 && tmp == 0bv32) && 0bv32 == pumpRunning))) && (((((1bv32 == pumpRunning || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || (methAndRunningLastTime == 0bv32 && 0bv32 == pumpRunning)) || !(methaneLevelCritical == 1bv32)) || !(0bv32 == \old(methAndRunningLastTime))) - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) && (((!(systemActive == 1bv32) || \old(pumpRunning) == pumpRunning) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(methAndRunningLastTime == 0bv32)) - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((((((1bv32 == pumpRunning || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(methAndRunningLastTime == 0bv32)) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32))) && (((1bv32 == pumpRunning || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32))) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32)) || !(methAndRunningLastTime == 0bv32))) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(waterLevel == 1bv32)) || !(methAndRunningLastTime == 0bv32)) - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) && (((((\result == 1bv32 || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32)) || !(methAndRunningLastTime == 0bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || 0bv32 == pumpRunning)) && (((((\result == 1bv32 || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(waterLevel == 1bv32)) || !(methAndRunningLastTime == 0bv32))) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(methAndRunningLastTime == 0bv32)) || 0bv32 == pumpRunning) - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: ((((((methAndRunningLastTime == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) || ((((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((((1bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && splverifierCounter == 0bv32)) || (((1bv32 == pumpRunning && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: ((((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(0bv32 == \old(methAndRunningLastTime)))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(0bv32 == \old(methAndRunningLastTime))) || !(methaneLevelCritical == 0bv32))) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32)) || !(\old(pumpRunning) == 1bv32)) - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 995]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-01-10 06:33:26,105 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...